Files
platform-external-webrtc/modules/audio_processing/utility/block_mean_calculator.cc
Mirko Bonadei 92ea95e34a Fixing WebRTC after moving from src/webrtc to src/
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
2017-09-15 05:02:56 +00:00

54 lines
1.2 KiB
C++

/*
* Copyright 2016 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/audio_processing/utility/block_mean_calculator.h"
#include "rtc_base/checks.h"
namespace webrtc {
BlockMeanCalculator::BlockMeanCalculator(size_t block_length)
: block_length_(block_length),
count_(0),
sum_(0.0),
mean_(0.0) {
RTC_DCHECK(block_length_ != 0);
}
void BlockMeanCalculator::Reset() {
Clear();
mean_ = 0.0;
}
void BlockMeanCalculator::AddValue(float value) {
sum_ += value;
++count_;
if (count_ == block_length_) {
mean_ = sum_ / block_length_;
Clear();
}
}
bool BlockMeanCalculator::EndOfBlock() const {
return count_ == 0;
}
float BlockMeanCalculator::GetLatestMean() const {
return mean_;
}
// Flush all samples added.
void BlockMeanCalculator::Clear() {
count_ = 0;
sum_ = 0.0;
}
} // namespace webrtc